PHP函数“mysql\u fetch\u Assoc”的结果错误
我对PHP函数“mysql\u fetch\u assoc”有问题PHP函数“mysql\u fetch\u Assoc”的结果错误,php,mysql,mysqli,Php,Mysql,Mysqli,我对PHP函数“mysql\u fetch\u assoc”有问题 public function result ($query) { $result = false; if (is_resource($this->resourceHandler)) { $result = array(); while ($tempVar = @mysql_fetch_assoc($query)) { $result[] = $tem
public function result ($query) {
$result = false;
if (is_resource($this->resourceHandler)) {
$result = array();
while ($tempVar = @mysql_fetch_assoc($query)) {
$result[] = $tempVar;
}
}else{
throw new Exception ('Keine Verbindung zur Datenbank vorhanden!');
}
return $result;
}
运行此函数时,返回的数组应如下所示:
[0] => Array
(
[id] => 1
[description] => Test
[date] => 2012-08-09
)
[1] => Array
(
[nummer] => 2
[beschreibung] => Test2
[datum] => 2012-08-09
)
[2] => Array
(
[nummer] => 3
[beschreibung] => test3
[datum] => 2012-08-10
)
但看起来是这样的:
[0] => Array
(
[id] => 1
[description] => Test
[date] => 2012-08-09
)
[1] => Array
(
[nummer] =>
[beschreibung] =>
[datum] => 1970-01-01
)
[2] => Array
(
[nummer] => 3
[beschreibung] => test3
[datum] => 2012-08-10
)
数组的第二个元素总是空的。这与使用哪个sql查询无关。有人知道这个问题吗?出于测试目的,请使用一些调试输出和一些样板文件来尝试您的代码
<?php
$mysql = mysql_connect('localhost', 'localonly', 'localonly') or die(mysql_error());
mysql_select_db('test', $mysql) or die(mysql_error($mysql));
echo 'mysql_get_client_info: ', mysql_get_client_info(), "\n";
echo 'mysql_get_host_info: ', mysql_get_host_info($mysql), "\n";
echo 'mysql_get_server_info: ', mysql_get_server_info($mysql), "\n";
echo 'mysql_get_proto_info: ', mysql_get_proto_info($mysql), "\n";
setup($mysql);
$query = mysql_query('SELECT * FROM tmpspeisen', $mysql) or die(mysql_error($mysql));
$foo = new Foo($mysql);
var_dump ( $foo->result($query) );
class Foo {
protected $resourceHandler;
public function __construct($mysql) {
$this->resourceHandler = $mysql;
}
public function result($query) {
$result = false;
if (is_resource($this->resourceHandler)) {
$result = array();
while ($tempVar = @mysql_fetch_assoc($query)) {
$result[] = $tempVar;
}
}else{
throw new Exception ('Keine Verbindung zur Datenbank vorhanden!');
}
return $result;
}
}
function setup($mysql) {
mysql_query('
CREATE TEMPORARY TABLE tmpspeisen (
id int auto_increment,
description varchar(128),
`date` Date,
primary key(id)
)
', $mysql) or die(mysql_error($mysql));
mysql_query("
INSERT INTO tmpspeisen (description, `date`) VALUES
('Test', '2012-08-09'), ('Test2', '2012-08-09'), ('test3', '2012-08-10')
", $mysql) or die(mysql_error($mysql));
}
您是否验证了数据库中的内容?另外,请不要使用不推荐使用的mysql_X函数,或者移动到PDO或使用mysqli_X函数。是的,我验证了内容。我想,这是由内容引起的。但是这个函数总是返回这个结果。你能发布你的结果使用的$query吗?查询:SELECT*FROM speisenWhy你在mysql\u fetch\u assoc前面有@符号?我并不认为它是一个触发任何可忽略错误的函数。如果删除第二个条目,它是否会在该条目上产生任何错误?如果是,那又怎样?我想我有问题了!如果我早点把结果打印出来,它是正确的。->mysql_fetch_assoc工作正常。所以我的错误在另一个位置。
mysql_get_client_info: mysqlnd 5.0.10 - 20111026 - $Id: b0b3b15c693b7f6aeb3aa66b646fee339f175e39 $
mysql_get_host_info: localhost via TCP/IP
mysql_get_server_info: 5.5.25a
mysql_get_proto_info: 10
array(3) {
[0]=>
array(3) {
["id"]=>
string(1) "1"
["description"]=>
string(4) "Test"
["date"]=>
string(10) "2012-08-09"
}
[1]=>
array(3) {
["id"]=>
string(1) "2"
["description"]=>
string(5) "Test2"
["date"]=>
string(10) "2012-08-09"
}
[2]=>
array(3) {
["id"]=>
string(1) "3"
["description"]=>
string(5) "test3"
["date"]=>
string(10) "2012-08-10"
}
}